[5229] in linux-scsi channel archive
Re: Linux 4mm SCSI DAT Drive Settings
daemon@ATHENA.MIT.EDU (Michael Meissner)
Sun Nov 29 10:28:57 1998
Date: Sun, 29 Nov 1998 10:26:42 -0500
From: Michael Meissner <meissner@cygnus.com>
To: Popov <popov@ix.netcom.com>, Jon Lewis <jlewis@inorganic5.fdt.net>
Cc: Martin Gallant <martyg@wired.ml.org>, amanda-users@amanda.org,
linux-scsi@vger.rutgers.edu
In-Reply-To: <3660F58D.9F50D758@ix.netcom.com>; from Popov on Sat, Nov 28, 1998 at 11:19:41PM -0800
On Sat, Nov 28, 1998 at 11:19:41PM -0800, Popov wrote:
> All DAT drives I know of are SCSI, so the block size issue is a SCSI thing,
> not a DAT or DDS one. If a drive claims to be SCSI X compliant, then it
> must support all sizes supported by SCSI sequential access devices, and
> there's pretty much no limit as to what the size can be.
That may be, however I find I can't reliably write 8k blocks on my WangDat 3800
DDS-2 drive, and read them back on the same drive during my dump cycle (so I
use 512 byte blocks for the nonce). Also, I believe Linux imposes a limit of
32k without modifying the kernel.
--
Michael Meissner, Cygnus Solutions (Massachusetts office)
4th floor, 955 Massachusetts Avenue, Cambridge, MA 02139, USA
meissner@cygnus.com, 617-354-5416 (office), 617-354-7161 (fax)
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